Education requirements and points for Immigrant to Canada

greentea

After reading Citizenship and Immigration Canada Home Website about the Education requirements and points, I am not sure how many points for the people with bachelor university degree (4years) and total 18 years of full-time or full-time equivalent study in China.
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22 or 20 points? Can you tell me?
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+ a* X$ C) s/ d9 w# [& R1 gThanks for your feedback.

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1 C) w+ }! i' N4 i, J( V9 M2 \1. You have a three-year diploma, trade certificate or apprenticeship and at least 15 years of full-time or full-time equivalent study.        22 points.
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7 a# c# Q2 [5 O: [: k( b% J+ T* \2. You have a university degree of two years or more at the bachelor’s level and at least 14 years of full-time or full-time equivalent study. 20
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